linux-kernel - Re: [PATCH] HID: microsoft, do not use compound literal

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <alpine.LNX.2.00.1211121314270.27271@pobox.suse.cz>
Date:	Mon, 12 Nov 2012 13:15:08 +0100 (CET)
From:	Jiri Kosina <jkosina@...e.cz>
To:	Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:	Jiri Slaby <jslaby@...e.cz>, linux-input@...r.kernel.org,
	linux-kernel@...r.kernel.org, jirislaby@...il.com
Subject: Re: [PATCH] HID: microsoft, do not use compound literal

On Mon, 12 Nov 2012, Geert Uytterhoeven wrote:

> On Mon, Nov 12, 2012 at 10:16 AM, Jiri Slaby <jslaby@...e.cz> wrote:
> > In patch "HID: microsoft: fix invalid rdesc for 3k kbd" I fixed
> > support for MS 3k keyboards. However the added check using memcmp and
> > a compound statement breaks build on architectures where memcmp is a
> > macro with parameters. The error looks there like (m68k-linux-gnu-gcc
> > 4.1.2):
> > hid-microsoft.c:51:18: error: macro "memcmp" passed 6 arguments, but takes just 3
> > hid-microsoft.c: In function ‘ms_report_fixup’:
> > drivers/hid/hid-microsoft.c:50: error: ‘memcmp’ undeclared (first use in this function)
> > hid-microsoft.c:50: error: (Each undeclared identifier is reported only once
> > /hid-microsoft.c:50: error: for each function it appears in.)
> 
> The above 3 lines were actually from a build with a different config
> --- which I didn't
> notice at that time --- where <linux/string.h> was not indirectly included.

Still the patch needs string.h include addition, otherwise you still are 
able to come up with m68k config that doesn't build, do I understand it 
correctly?

Thanks,

-- 
Jiri Kosina
SUSE Labs
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/